NPPES file of Aug 9, 2026

Kaitlyn Nicole Clark, PA-C

Physician Assistant · Whittier, CA

Kaitlyn Nicole Clark, PA-C is a physician assistant with a practice address in Whittier, California, and NPI 1518637180, issued on Sep 15, 2021. Check the license (California 60040, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518637180
Name
Kaitlyn Nicole Clark
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
60040 CA
Self-reported in NPPES; status is on the state search
Practice location
14442 Whittier Blvd Ste 105, Whittier, CA 90605
Phone
(562) 945-1940
Enumerated
Sep 15, 2021
Record last updated
Nov 15, 2025
Medicare enrollment
Enrolled (PECOS I20211216000988); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14442 Whittier Blvd Ste 105

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sakshi Madan, PA-CPhysician Assistant1518474816

Verify Kaitlyn Nicole Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 60040
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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80% more Medicare Part D claims than the average physician assistant in 2024

1,494 Medicare Part D claims for 314 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Kaitlyn Clark1,494
  2. Specialty average830

Most prescribed

  1. Lisinopril151 claims
  2. Levothyroxine Sodium110 claims
  3. Atorvastatin Calcium103 claims
  4. Amlodipine Besylate102 claims
  5. Losartan Potassium70 claims
  6. Simvastatin67 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $124.88

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kaitlyn Clark$124.88
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Healthcare Partners Affiliates Medical GroupWhittier, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kaitlyn Nicole Clark among 14,451 physician assistant records in California

Kaitlyn Nicole Clark, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2021 · median 2018 among the 7,214 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 physician assistant records list a practice address in Whittier

They are 89 of the 2,836 NPPES records with a practice address in Whittier, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. I. Jean Davis, PHD, DC, PAWhittier, CA 906051003915646
  2. Lauren Diab, PAWhittier, CA 906051093166472
  3. Jessica LaWhittier, CA 906051750930129
  4. Melissa LopezWhittier, CA 906051386134542
  5. Sakshi Madan, PA-CWhittier, CA 906051518474816
  6. Travis Martois, P.A.Whittier, CA 906051750323648
  7. Connie Montes, PAC PHYSICIAN ASSISTWhittier, CA 906051265656854
  8. Lena QuangWhittier, CA 906051619595014

Common questions

What is Kaitlyn Nicole Clark, PA-C's NPI number?

Kaitlyn Nicole Clark, PA-C's National Provider Identifier (NPI) is 1518637180, issued on Sep 15, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlyn Nicole Clark, PA-C located?

The NPPES record lists a practice address at 14442 Whittier Blvd Ste 105, Whittier, CA, 90605. Phone: (562) 945-1940. Providers update this record themselves, so call before visiting.

How can I verify Kaitlyn Nicole Clark, PA-C's license?

NPPES lists California license number 60040, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kaitlyn Nicole Clark, PA-C prescribe under Medicare Part D?

In 2024, Kaitlyn Nicole Clark, PA-C had 1,494 Medicare Part D claims for 314 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.